Jan 30, 2013 12:00pm PST
astronaut mark kelly, to push for tighter gun restrictions. members of the senate judiciary committee are discussing an assault weapons ban and strengthening background checks. >> i go through background checks. i expect everyone else, too. >> reporter: the nra executive violent wayne lapierre is representing gun owners at the hearing. >> background checks will never be universal because criminals will never submit to them. >> reporter: while gun control is getting new attention here on capitol hill, getting laws passed is an uphill battle. republicans and democrats are strong gun rights supporters. >> the 1994 assault weapons ban did not stop columbine. the justice department found the ban ineffective. >> reporter: dianne feinstein introduced an assault weapons ban. charles schumer is behind the bill but is not optimistic it will pass. >> you cannot have month after month after month these shootings. >> reporter: hundreds of people packed the room for today's hearing. on capitol hill, danielle nottingham, cbs 5. >>> got a little company now. it'